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Expired Canadian patentCanada

Electrophoresis device with near-vertical gel plates

CA 1338055 C · Owner: Eastman Kodak Company · Inventors: Hellman, Robert Richard Jr.

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

There is described an electrophoresis device having a support for a gel plate assembly and means, for clamping such plate assemblies to the support. The support provides a surface that is inclined at an angle of between about 5° and about 10° from the vertical, so that the bottom of the plate is closer to the user than is the top.

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted February 13, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 2013.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 8, 1989
GrantedFebruary 13, 1996
Term endedFebruary 13, 2013
Patent numberCA 1338055 C
Classification (IPC)G01N27/44 +1 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedMarch 8, 1989Patent grantedFeb 13, 1996Term endedFeb 13, 2013

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.